There are also some 940/943 frames around in Titanium and Carbon fiber. The C/F weighs 71gm, the Al weighs 81 gm, and the Ti weighs 91gm and has a closed back. I like the 943 better than the 940. I also like the Endura better than the Delica. My EDC is a 941-81Ti with a Stamascus blade.